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TOPPING DX3 Pro+

Desktop DAC/headphone amp: USB, optical, coax, Bluetooth, RCA line and 6.35 mm headphone; USB supports listed PCM to 32-bit/768 kHz.

Original local schematic for TOPPING DX3 Pro+
ORIGINAL LOCAL SCHEMATIC // USB • OPT • COAX • RCA • HP

Model-specific specifications

Exact model / scopeTOPPING DX3 Pro+. Keep rated supply and remote; verify output mode and Bluetooth version. DX3 Pro+ differs from DX3 Pro.
Bus / hostExternal host-connected DAC/headphone device; USB/S/PDIF input capability depends on the documented mode.
Documented functions / connectorsDesktop DAC/headphone amp: USB, optical, coax, Bluetooth, RCA line and 6.35 mm headphone; USB supports listed PCM to 32-bit/768 kHz.
Conversion / formatsFormat/rate limits depend on input and host driver; see record-specific manufacturer specifications.
Drivers / OSUse the linked model-specific manufacturer support/manual page. Driver and supported OS availability depends on release; no undocumented OS compatibility is asserted.
Power / microphoneNo microphone phantom power; headphone and line outputs are not interchangeable.

Compatibility & preservation

Keep rated supply and remote; verify output mode and Bluetooth version. DX3 Pro+ differs from DX3 Pro.

  • Photograph model/revision, connectors and included accessories before service.
  • Retain the matching manual, driver/firmware and known-working host/routing configuration.
  • Follow documented signal levels, connector pinout and power requirements; physical fit alone is not compatibility.

Manufacturer sources

  1. Manufacturer product information — TOPPING DX3 Pro+Product/model source; match the exact revision and board.
  2. Manufacturer support and documentationOfficial model documentation, drivers and OS compatibility information.